Effects of Head-Neck Positions on the Hand Grip Strength in Healthy Young Adults: A Cross-Sectional Study

Table 3

Comparison of hand grip strength in different head-neck positions using a repeated-measures analysis of variance.

Tests of Inter-subjects Effects
Dependent Variable: Hand Grip Strength (lbs), Left side
Source	Type III sum of squares	df	Mean square	F	P
Corrected model	1206.469	2	603.234	2.492	.087
Head-Neck Positions (N vs RL vs RR)	1206.469	2	603.234	2.492	.087
Error	28319.153	117	242.044
Dependent Variable: Hand Grip Strength (lbs), Right side
Corrected model	813.802	2	406.901	1.434	.242
Head-Neck Positions (N vs RL vs RR)	813.802	2	406.901	1.434	.242
Error	33187.739	117	283.656

N: neck in neutral position; RL: neck rotation left; RR: neck rotation right.